DESC: Scientific research documents the ability of Ginkgo to maintain peripheral circulation to the arms, legs and brain.* In addition, Ginkgo helps improve memory, especially occasional mild memory problems associated with aging.* Ginkgo contains antioxidant properties that help fight free radicals in the body.* Free radicals may contribute to the premature aging of cells.* To enhance the bioactivity of the standardized Ginkgo, we've added 400 mg of Ginkgo Leaf per serving.